fixed the hang due to alsa device weirdness

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1782233679,
-        "narHash": "sha256-QyuGP5+QOtmXpy4i2X4DhBVBaySBdDKQEhqKcphcp34=",
+        "lastModified": 1790113641,
+        "narHash": "sha256-D2aaQetafdpHxbwA4ldAxs51UX0b11pXL+JL/5L8VrM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "667d5cf1c59585031d743c78b394b0a647537c35",
+        "rev": "1bc55b9def8165e82073919945c3239903fe4dc2",
         "type": "github"
       },
       "original": {

flake.nix

@@ -2,43 +2,29 @@
   description = "A flake for DaVinci Resolve Studio with FFmpeg encoder plugin and patches";
 
   inputs = {
-    # Main nixpkgs input (NixOS 26.05)
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
-
-    # Pinned nixpkgs input exclusively for the raw DaVinci Resolve Studio binary
     nixpkgs-pinned.url = "github:NixOS/nixpkgs/e4ec59bc1152b09a4843702e4a49381194f065a2";
-
-    # Custom mesa input
-    # mesa-davinci.url = "github:nixos/nixpkgs?ref=599ddd2b79331c1e6153e1659bdaab65d62c4c82";
   };
 
-  outputs =
-    {
+  outputs = {
     self,
     nixpkgs,
     nixpkgs-pinned,
-      # mesa-davinci,
     ...
-    }@inputs:
-    let
+  }: let
     system = "x86_64-linux";
     lib = nixpkgs.lib;
 
-      # Import main pkgs (NixOS 26.05)
     pkgs = import nixpkgs {
       inherit system;
       config.allowUnfree = true;
     };
 
-      # Import pinned pkgs (Used *only* to fetch the unpatched binary)
     pkgs-pinned = import nixpkgs-pinned {
       inherit system;
       config.allowUnfree = true;
     };
 
-      # mesa-good-pkg = mesa-davinci.legacyPackages.${system}.mesa;
-
-      # Built using NixOS 26.05
     ffmpeg-encoder-plugin = pkgs.stdenv.mkDerivation (finalAttrs: {
       pname = "ffmpeg-encoder-plugin";
       version = "1.2.1";
@@ -50,8 +36,8 @@
         hash = "sha256-F4Q8YCXD5UldTwLbWK4nHacNPQ/B+4yLL96sq7xZurM=";
       };
 
-        nativeBuildInputs = [ pkgs.cmake ];
-        buildInputs = [ pkgs.ffmpeg-full ];
+      nativeBuildInputs = [pkgs.cmake];
+      buildInputs = [pkgs.ffmpeg-full];
 
       installPhase = ''
         mkdir -p $out
@@ -59,11 +45,9 @@
       '';
     });
 
-      davinci-resolve-studio-cracked =
-        let
-          davinci-patched =
-            let
-              # ONLY this specific line touches the pinned repository
+    davinci-resolve-studio-cracked = let
+      davinci-patched = let
+        # Should prevent useless rebuilds of the actual binary
         davinci-locked = pkgs-pinned.davinci-resolve-studio;
       in
         davinci-locked.davinci.overrideAttrs (old: {
@@ -82,13 +66,18 @@
             cp ${ffmpeg-encoder-plugin}/ffmpeg_encoder_plugin.dvcp $out/IOPlugins/ffmpeg_encoder_plugin.dvcp.bundle/Contents/Linux-x86-64/
           '';
         });
+      # Make Davinci use the generic alsa device so it doesn't hang when there isn't one available
+      davinciAlsaConfig = pkgs.writeText "davinci-alsa.conf" ''
+        pcm.!default {
+          type plug
+          slave.pcm "hw:CARD=Generic,DEV=0"
+        }
+      '';
     in
-        # Sandbox framework evaluated entirely against NixOS 26.05
       pkgs.buildFHSEnv {
         inherit (davinci-patched) pname version;
 
-          targetPkgs =
-            inner-pkgs:
+        targetPkgs = inner-pkgs:
           with inner-pkgs;
             [
               alsa-lib
@@ -151,17 +140,15 @@
         '';
 
         extraBwrapArgs = [
-            # 1. Mount the Extras folder cleanly to the user's home directory
           ''--bind "$HOME"/.local/share/DaVinciResolve/Extras /Extras''
 
-            # 2. Let bubblewrap safely create the required bundle subdirectory inside the existing structure
           "--dir /IOPlugins/ffmpeg_encoder_plugin.dvcp.bundle/Contents/Linux-x86-64"
 
-            # 3. Mount the built plugin file directly into its bundle location
           "--ro-bind ${ffmpeg-encoder-plugin}/ffmpeg_encoder_plugin.dvcp /IOPlugins/ffmpeg_encoder_plugin.dvcp.bundle/Contents/Linux-x86-64/ffmpeg_encoder_plugin.dvcp"
         ];
 
         runScript = "${lib.getExe pkgs.bash} ${pkgs.writeText "davinci-wrapper" ''
+          export ALSA_CONFIG_PATH="${davinciAlsaConfig}"
           export QT_XKB_CONFIG_ROOT="${pkgs.xkeyboard_config}/share/X11/xkb"
           export QT_PLUGIN_PATH="${davinci-patched}/libs/plugins:$QT_PLUGIN_PATH"
           export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib:/usr/lib32:${davinci-patched}/libs
@@ -204,8 +191,7 @@
           );
         };
       };
-    in
-    {
+  in {
     packages.${system} = {
       davinci-resolve-studio-cracked = davinci-resolve-studio-cracked;
       default = davinci-resolve-studio-cracked;